:root {
    --bg-dark: #09090b;
    --bg-glass: rgba(24, 24, 27, 0.6);
    --bg-glass-hover: rgba(39, 39, 42, 0.8);
    --border-glass: rgba(255, 255, 255, 0.08);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-blue: #0ea5e9;
    
    --radius-lg: 16px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, .brand {
    font-family: 'Outfit', sans-serif;
}

/* Background Blobs for vibrant aesthetics */
.blob-container {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.4;
    border-radius: 50%;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    top: -10%; left: -10%;
    width: 500px; height: 500px;
    background: var(--primary);
}

.blob-2 {
    bottom: -20%; right: -10%;
    width: 600px; height: 600px;
    background: var(--accent-purple);
    animation-delay: -5s;
}

.blob-3 {
    top: 40%; left: 40%;
    width: 400px; height: 400px;
    background: var(--accent-green);
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Glassmorphism Utilities */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 72px;
    z-index: 1000;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.nav-container {
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    gap: 1rem;
}

.brand {
    font-size: 1.35rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
    color: var(--text-main);
    line-height: 1;
}

.brand span {
    white-space: nowrap;
    line-height: 1;
}

.logo-icon {
    color: var(--primary);
    font-size: 1.75rem;
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    flex-shrink: 1;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.nav-links a:hover {
    color: var(--text-main);
}

.plato-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-muted) !important;
}
.plato-link:hover {
    color: var(--text-main) !important;
}

.lang-selector {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 0 10px;
    height: 38px;
    border-radius: 8px;
    font-family: "Inter", sans-serif;
    font-size: 13px;
    cursor: pointer;
    backdrop-filter: blur(10px);
    outline: none;
    white-space: nowrap;
    flex-shrink: 0;
    margin: 0;
}
.lang-selector option {
    background: #18181b;
    color: #fff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1.35rem;
    height: 42px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-glass);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-glass);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.pulse {
    width: 8px; height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.powered-by {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.plato-brand {
    color: var(--text-main);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dashed var(--border-glass);
    padding-bottom: 2px;
}

/* Browser Mockup */
.hero-visual {
    width: 100%;
    max-width: 900px;
    margin-top: 4rem;
}

.browser-mockup {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mockup-header {
    background: rgba(0,0,0,0.4);
    padding: 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
}

.dots {
    display: flex;
    gap: 0.5rem;
}

.dots span {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: #ff5f56;
}
.dots span:nth-child(2) { background: #ffbd2e; }
.dots span:nth-child(3) { background: #27c93f; }

.url-bar {
    background: rgba(255,255,255,0.1);
    margin: 0 auto;
    padding: 0.4rem 2rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mockup-body {
    padding: 4rem 2rem;
    background: rgba(0,0,0,0.2);
    min-height: 300px;
}

.mockup-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.stat-card {
    background: rgba(255,255,255,0.05);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid var(--border-glass);
}

.stat-card i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.text-green { color: var(--accent-green); }
.text-purple { color: var(--accent-purple); }

/* Features Section */
.features {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.hover-effect:hover {
    transform: translateY(-5px);
    background: var(--bg-glass-hover);
}

.icon-box {
    width: 50px; height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.icon-box.green { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.icon-box.purple { background: rgba(139, 92, 246, 0.2); color: var(--accent-purple); }
.icon-box.blue { background: rgba(14, 165, 233, 0.2); color: var(--accent-blue); }

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Download Section */
.download-section {
    padding: 4rem 2rem 8rem;
    max-width: 1200px;
    margin: 0 auto;
}

.download-container {
    padding: 4rem 2rem;
    border-radius: 24px;
    text-align: center;
}

.download-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-container p {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.btn-download {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-glass);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-main);
    transition: var(--transition);
}

.btn-download:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.btn-download i {
    font-size: 2rem;
}

.btn-text {
    text-align: left;
    display: flex;
    flex-direction: column;
}

.btn-text span {
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-text small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.btn-download:hover .btn-text small {
    color: rgba(255,255,255,0.8);
}

/* Footer */
.glass-footer {
    background: rgba(0,0,0,0.6);
    border-top: 1px solid var(--border-glass);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .brand-logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-family: 'Outfit', sans-serif;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.link-group h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.link-group a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1180px) {
    .nav-container {
        padding: 0 1.25rem;
        gap: 0.75rem;
    }
    .nav-links {
        gap: 0.85rem;
    }
    .nav-links a {
        font-size: 0.84rem;
    }
    .brand {
        font-size: 1.25rem;
    }
}

@media (max-width: 992px) {
    .nav-links a[href="/karsilastirma.html"],
    .nav-links a[href="/gizlilik/"] {
        display: none;
    }
    .nav-links {
        gap: 0.75rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 64px;
    }
    .nav-container {
        padding: 0 1rem;
    }
    .nav-links a {
        display: none;
    }
    .nav-links {
        gap: 0.5rem;
    }
    .brand {
        font-size: 1.15rem;
    }
    .logo-icon {
        font-size: 1.5rem;
    }
    .nav-container .btn {
        height: 36px;
        padding: 0 0.9rem;
        font-size: 0.8rem;
    }
    .lang-selector {
        height: 34px;
        font-size: 12px;
        padding: 0 6px;
    }
    .hero-cta {
        flex-direction: column;
    }
    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
}